A beautiful photograph of spiral galaxy NGC 628, taken using data from the Webb Telescope, may
The image is a composition of threesets of data at different wavelengths obtained by the JWST team, which is responsible for the operation of mid-infrared instruments. Gabriel Brammer of the University of Copenhagen in Denmark, not affiliated with NASA, downloaded the data and converted each of the infrared wavelengths into red, green and blue before combining them to create a single image.
The galaxy NGC 628 has already been photographed beforein visible light and other telescopes, including Hubble. Outwardly, it is very similar to the Milky Way, like a twin, when viewed from above on the galactic plane. JWST's ability to observe infrared light at high resolution reveals its hidden structure. “If the eyes could see an object at mid-infrared wavelengths, the night sky looked like this picture and was a little scary,” Brammer says.
Characteristic purple tint of the imageBrammer is due to the unique chemical composition of NGC 628's dust clouds. They are primarily composed of large molecules known as polycyclic aromatic hydrocarbons.
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